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| CAS NO: | 3896-11-5 | Purity: | 99% |
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| Melting Point: | 137-141 | Form: | Solid |
| Brand: | LP | Odor: | Free Of Odor |
| High Light: | antioxidant 1010,uv 326 |
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High quality Ultraviolet Absorbent UV-326 for PVC ,SESIN, CAS NO 3896-11-5
| Product Name | Bumetrizole |
| Synonyms | 2-(3-tert-Butyl-2-hydroxy-5-methylphenyl)-5-chloro-2H-benzotriazole |
| CAS No. | 3896-11-5 |
| EINECS | 223-445-4 |
| Molecular Formula | C17H18ClN3O |
| Molecular Weight | 315.80 |
| Appearance | Light yellow powder |
| Melting point | 144-147 ºC |
| Assay | 98% |
UV-326 can be dissolved in such organic solvent such as benzol, touene, phenyethene, etc. It can not be dissolved in water. It can be easily dissolved in som kinds of resin, and it is not sensitive to metal Ions. Under alkalinity, as low volatile, it is not turned int yellow, ca absorb the ultraviolet ray of 270-380nm wavelength effectively. When used with antioxidants, it has cooperative effect. With lower position, it is considered as the world's sagest plastic accretion.
Applications
For Polypropylene
ABS: 0.3-0.5 WT% based on polymer weight
PS: 0.2-0.3 WT% based on polymer weight
HIPS: 0.2-0.3WT% based on polymer weight
For high density polyethylene 0.2-0.3WT% based on polymer weight
For polyamine: 0.2-0.3WT% based on polymer weight
For polyester: 0.2-0.3WT% based on polymer weight
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